Special shaft seal ring (colloquially known as oil seal) 13x22x4 mm for use on the variator gearbox of your Piaggio Ciao, Si, Bravo and Boxer moped / moped.
The radial shaft seal is mounted on the torque converter shaft (input shaft)
This radial shaft seal made of fluorine rubber is resistant up to a temperature of 200°C.
FPM or FKM shaft seals (colloquially known as Viton) are therefore particularly suitable for racing, as they are designed for higher speeds and can therefore withstand higher temperatures. Conventional NBR shaft seals are temperature-resistant up to 100 °C.
| Place of use | Housing cover |
| Temperature resistance (min.) | -30 - 200 °C |
| Shaft seal type | A - With rubberized outer part / one sealing lip. |
| Ø inside | 13 mm |
| Ø outside | 22 mm |
| Material | FPM / FKM (colloquially known as Viton) |
| Width | 4 mm |
| Piaggio OEM number | 240222 |
| Universal | |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Boxer Grillo Gilera CBA Gilera Citta |
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